1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
14 fn map_<U, F>(x: &Self, f: F) -> Vec<U> where F: FnMut(&T) -> U;
17 impl<T> vec_utils<T> for Vec<T> {
18 fn map_<U, F>(x: &Vec<T> , mut f: F) -> Vec<U> where F: FnMut(&T) -> U {
19 let mut r = Vec::new();
28 assert_eq!(vec_utils::map_(&vec!(1,2,3), |&x| x+1), [2,3,4]);